mirror of
https://github.com/haraldk/TwelveMonkeys.git
synced 2026-05-23 00:00:05 -04:00
Fixed JavaDoc errors to enable Java 8 build.
This commit is contained in:
Harald Kuhr
+341
-339
@@ -1,340 +1,342 @@
|
||||
/*
|
||||
* Copyright (c) 2008, Harald Kuhr
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* * Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* * Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
/*
|
||||
* From http://www.cafeaulait.org/books/javaio/ioexamples/index.html:
|
||||
*
|
||||
* Please feel free to use any fragment of this code you need in your own work.
|
||||
* As far as I am concerned, it's in the public domain. No permission is necessary
|
||||
* or required. Credit is always appreciated if you use a large chunk or base a
|
||||
* significant product on one of my examples, but that's not required either.
|
||||
*
|
||||
* Elliotte Rusty Harold
|
||||
*/
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package com.twelvemonkeys.io;
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import com.twelvemonkeys.lang.Validate;
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import java.io.*;
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/**
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* A little endian output stream writes primitive Java numbers
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* and characters to an output stream in a little endian format.
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||||
* <p/>
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* The standard {@code java.io.DataOutputStream} class which this class
|
||||
* imitates uses big endian integers.
|
||||
* <p/>
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||||
* <em>Warning:
|
||||
* The {@code DataInput} and {@code DataOutput} interfaces
|
||||
* specifies big endian byte order in their documentation.
|
||||
* This means that this class is, strictly speaking, not a proper
|
||||
* implementation. However, I don't see a reason for the these interfaces to
|
||||
* specify the byte order of their underlying representations.
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||||
* </em>
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*
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* @see com.twelvemonkeys.io.LittleEndianRandomAccessFile
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* @see java.io.DataOutputStream
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* @see java.io.DataInput
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* @see java.io.DataOutput
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*
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* @author Elliotte Rusty Harold
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* @version 1.0.1, 19 May 1999
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*/
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public class LittleEndianDataOutputStream extends FilterOutputStream implements DataOutput {
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|
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/**
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* The number of bytes written so far to the little endian output stream.
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*/
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||||
protected int bytesWritten;
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||||
|
||||
/**
|
||||
* Creates a new little endian output stream and chains it to the
|
||||
* output stream specified by the {@code pStream} argument.
|
||||
*
|
||||
* @param pStream the underlying output stream.
|
||||
* @see java.io.FilterOutputStream#out
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||||
*/
|
||||
public LittleEndianDataOutputStream(OutputStream pStream) {
|
||||
super(Validate.notNull(pStream, "stream"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes the specified byte value to the underlying output stream.
|
||||
*
|
||||
* @param pByte the {@code byte} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public synchronized void write(int pByte) throws IOException {
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out.write(pByte);
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bytesWritten++;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes {@code pLength} bytes from the specified byte array
|
||||
* starting at {@code pOffset} to the underlying output stream.
|
||||
*
|
||||
* @param pBytes the data.
|
||||
* @param pOffset the start offset in the data.
|
||||
* @param pLength the number of bytes to write.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public synchronized void write(byte[] pBytes, int pOffset, int pLength) throws IOException {
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||||
out.write(pBytes, pOffset, pLength);
|
||||
bytesWritten += pLength;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Writes a {@code boolean} to the underlying output stream as
|
||||
* a single byte. If the argument is true, the byte value 1 is written.
|
||||
* If the argument is false, the byte value {@code 0} in written.
|
||||
*
|
||||
* @param pBoolean the {@code boolean} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeBoolean(boolean pBoolean) throws IOException {
|
||||
if (pBoolean) {
|
||||
write(1);
|
||||
}
|
||||
else {
|
||||
write(0);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes out a {@code byte} to the underlying output stream
|
||||
*
|
||||
* @param pByte the {@code byte} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeByte(int pByte) throws IOException {
|
||||
out.write(pByte);
|
||||
bytesWritten++;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a two byte {@code short} to the underlying output stream in
|
||||
* little endian order, low byte first.
|
||||
*
|
||||
* @param pShort the {@code short} to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeShort(int pShort) throws IOException {
|
||||
out.write(pShort & 0xFF);
|
||||
out.write((pShort >>> 8) & 0xFF);
|
||||
bytesWritten += 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a two byte {@code char} to the underlying output stream
|
||||
* in little endian order, low byte first.
|
||||
*
|
||||
* @param pChar the {@code char} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeChar(int pChar) throws IOException {
|
||||
out.write(pChar & 0xFF);
|
||||
out.write((pChar >>> 8) & 0xFF);
|
||||
bytesWritten += 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a four-byte {@code int} to the underlying output stream
|
||||
* in little endian order, low byte first, high byte last
|
||||
*
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||||
* @param pInt the {@code int} to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeInt(int pInt) throws IOException {
|
||||
out.write(pInt & 0xFF);
|
||||
out.write((pInt >>> 8) & 0xFF);
|
||||
out.write((pInt >>> 16) & 0xFF);
|
||||
out.write((pInt >>> 24) & 0xFF);
|
||||
bytesWritten += 4;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes an eight-byte {@code long} to the underlying output stream
|
||||
* in little endian order, low byte first, high byte last
|
||||
*
|
||||
* @param pLong the {@code long} to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeLong(long pLong) throws IOException {
|
||||
out.write((int) pLong & 0xFF);
|
||||
out.write((int) (pLong >>> 8) & 0xFF);
|
||||
out.write((int) (pLong >>> 16) & 0xFF);
|
||||
out.write((int) (pLong >>> 24) & 0xFF);
|
||||
out.write((int) (pLong >>> 32) & 0xFF);
|
||||
out.write((int) (pLong >>> 40) & 0xFF);
|
||||
out.write((int) (pLong >>> 48) & 0xFF);
|
||||
out.write((int) (pLong >>> 56) & 0xFF);
|
||||
bytesWritten += 8;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a 4 byte Java float to the underlying output stream in
|
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* little endian order.
|
||||
*
|
||||
* @param f the {@code float} value to be written.
|
||||
* @throws IOException if an I/O error occurs.
|
||||
*/
|
||||
public final void writeFloat(float f) throws IOException {
|
||||
writeInt(Float.floatToIntBits(f));
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes an 8 byte Java double to the underlying output stream in
|
||||
* little endian order.
|
||||
*
|
||||
* @param d the {@code double} value to be written.
|
||||
* @throws IOException if an I/O error occurs.
|
||||
*/
|
||||
public final void writeDouble(double d) throws IOException {
|
||||
writeLong(Double.doubleToLongBits(d));
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a string to the underlying output stream as a sequence of
|
||||
* bytes. Each character is written to the data output stream as
|
||||
* if by the {@link #writeByte(int)} method.
|
||||
*
|
||||
* @param pString the {@code String} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
* @see #writeByte(int)
|
||||
* @see #out
|
||||
*/
|
||||
public void writeBytes(String pString) throws IOException {
|
||||
int length = pString.length();
|
||||
|
||||
for (int i = 0; i < length; i++) {
|
||||
out.write((byte) pString.charAt(i));
|
||||
}
|
||||
|
||||
bytesWritten += length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a string to the underlying output stream as a sequence of
|
||||
* characters. Each character is written to the data output stream as
|
||||
* if by the {@code writeChar} method.
|
||||
*
|
||||
* @param pString a {@code String} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
* @see #writeChar(int)
|
||||
* @see #out
|
||||
*/
|
||||
public void writeChars(String pString) throws IOException {
|
||||
int length = pString.length();
|
||||
|
||||
for (int i = 0; i < length; i++) {
|
||||
int c = pString.charAt(i);
|
||||
out.write(c & 0xFF);
|
||||
out.write((c >>> 8) & 0xFF);
|
||||
}
|
||||
|
||||
bytesWritten += length * 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a string of no more than 65,535 characters
|
||||
* to the underlying output stream using UTF-8
|
||||
* encoding. This method first writes a two byte short
|
||||
* in <b>big</b> endian order as required by the
|
||||
* UTF-8 specification. This gives the number of bytes in the
|
||||
* UTF-8 encoded version of the string, not the number of characters
|
||||
* in the string. Next each character of the string is written
|
||||
* using the UTF-8 encoding for the character.
|
||||
*
|
||||
* @param pString the string to be written.
|
||||
* @throws UTFDataFormatException if the string is longer than
|
||||
* 65,535 characters.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeUTF(String pString) throws IOException {
|
||||
int numchars = pString.length();
|
||||
int numbytes = 0;
|
||||
|
||||
for (int i = 0; i < numchars; i++) {
|
||||
int c = pString.charAt(i);
|
||||
|
||||
if ((c >= 0x0001) && (c <= 0x007F)) {
|
||||
numbytes++;
|
||||
}
|
||||
else if (c > 0x07FF) {
|
||||
numbytes += 3;
|
||||
}
|
||||
else {
|
||||
numbytes += 2;
|
||||
}
|
||||
}
|
||||
|
||||
if (numbytes > 65535) {
|
||||
throw new UTFDataFormatException();
|
||||
}
|
||||
|
||||
out.write((numbytes >>> 8) & 0xFF);
|
||||
out.write(numbytes & 0xFF);
|
||||
|
||||
for (int i = 0; i < numchars; i++) {
|
||||
int c = pString.charAt(i);
|
||||
|
||||
if ((c >= 0x0001) && (c <= 0x007F)) {
|
||||
out.write(c);
|
||||
}
|
||||
else if (c > 0x07FF) {
|
||||
out.write(0xE0 | ((c >> 12) & 0x0F));
|
||||
out.write(0x80 | ((c >> 6) & 0x3F));
|
||||
out.write(0x80 | (c & 0x3F));
|
||||
bytesWritten += 2;
|
||||
}
|
||||
else {
|
||||
out.write(0xC0 | ((c >> 6) & 0x1F));
|
||||
out.write(0x80 | (c & 0x3F));
|
||||
bytesWritten += 1;
|
||||
}
|
||||
}
|
||||
|
||||
bytesWritten += numchars + 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the number of bytes written to this little endian output stream.
|
||||
* (This class is not thread-safe with respect to this method. It is
|
||||
* possible that this number is temporarily less than the actual
|
||||
* number of bytes written.)
|
||||
* @return the value of the {@code written} field.
|
||||
* @see #bytesWritten
|
||||
*/
|
||||
public int size() {
|
||||
return bytesWritten;
|
||||
}
|
||||
/*
|
||||
* Copyright (c) 2008, Harald Kuhr
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* * Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* * Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
/*
|
||||
* From http://www.cafeaulait.org/books/javaio/ioexamples/index.html:
|
||||
*
|
||||
* Please feel free to use any fragment of this code you need in your own work.
|
||||
* As far as I am concerned, it's in the public domain. No permission is necessary
|
||||
* or required. Credit is always appreciated if you use a large chunk or base a
|
||||
* significant product on one of my examples, but that's not required either.
|
||||
*
|
||||
* Elliotte Rusty Harold
|
||||
*/
|
||||
|
||||
package com.twelvemonkeys.io;
|
||||
|
||||
import com.twelvemonkeys.lang.Validate;
|
||||
|
||||
import java.io.*;
|
||||
|
||||
/**
|
||||
* A little endian output stream writes primitive Java numbers
|
||||
* and characters to an output stream in a little endian format.
|
||||
* <p>
|
||||
* The standard {@code java.io.DataOutputStream} class which this class
|
||||
* imitates uses big endian integers.
|
||||
* </p>
|
||||
* <p>
|
||||
* <em>Warning:
|
||||
* The {@code DataInput} and {@code DataOutput} interfaces
|
||||
* specifies big endian byte order in their documentation.
|
||||
* This means that this class is, strictly speaking, not a proper
|
||||
* implementation. However, I don't see a reason for the these interfaces to
|
||||
* specify the byte order of their underlying representations.
|
||||
* </em>
|
||||
* <p>
|
||||
*
|
||||
* @see com.twelvemonkeys.io.LittleEndianRandomAccessFile
|
||||
* @see java.io.DataOutputStream
|
||||
* @see java.io.DataInput
|
||||
* @see java.io.DataOutput
|
||||
*
|
||||
* @author Elliotte Rusty Harold
|
||||
* @version 1.0.1, 19 May 1999
|
||||
*/
|
||||
public class LittleEndianDataOutputStream extends FilterOutputStream implements DataOutput {
|
||||
|
||||
/**
|
||||
* The number of bytes written so far to the little endian output stream.
|
||||
*/
|
||||
protected int bytesWritten;
|
||||
|
||||
/**
|
||||
* Creates a new little endian output stream and chains it to the
|
||||
* output stream specified by the {@code pStream} argument.
|
||||
*
|
||||
* @param pStream the underlying output stream.
|
||||
* @see java.io.FilterOutputStream#out
|
||||
*/
|
||||
public LittleEndianDataOutputStream(OutputStream pStream) {
|
||||
super(Validate.notNull(pStream, "stream"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes the specified byte value to the underlying output stream.
|
||||
*
|
||||
* @param pByte the {@code byte} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public synchronized void write(int pByte) throws IOException {
|
||||
out.write(pByte);
|
||||
bytesWritten++;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes {@code pLength} bytes from the specified byte array
|
||||
* starting at {@code pOffset} to the underlying output stream.
|
||||
*
|
||||
* @param pBytes the data.
|
||||
* @param pOffset the start offset in the data.
|
||||
* @param pLength the number of bytes to write.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public synchronized void write(byte[] pBytes, int pOffset, int pLength) throws IOException {
|
||||
out.write(pBytes, pOffset, pLength);
|
||||
bytesWritten += pLength;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Writes a {@code boolean} to the underlying output stream as
|
||||
* a single byte. If the argument is true, the byte value 1 is written.
|
||||
* If the argument is false, the byte value {@code 0} in written.
|
||||
*
|
||||
* @param pBoolean the {@code boolean} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeBoolean(boolean pBoolean) throws IOException {
|
||||
if (pBoolean) {
|
||||
write(1);
|
||||
}
|
||||
else {
|
||||
write(0);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes out a {@code byte} to the underlying output stream
|
||||
*
|
||||
* @param pByte the {@code byte} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeByte(int pByte) throws IOException {
|
||||
out.write(pByte);
|
||||
bytesWritten++;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a two byte {@code short} to the underlying output stream in
|
||||
* little endian order, low byte first.
|
||||
*
|
||||
* @param pShort the {@code short} to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeShort(int pShort) throws IOException {
|
||||
out.write(pShort & 0xFF);
|
||||
out.write((pShort >>> 8) & 0xFF);
|
||||
bytesWritten += 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a two byte {@code char} to the underlying output stream
|
||||
* in little endian order, low byte first.
|
||||
*
|
||||
* @param pChar the {@code char} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeChar(int pChar) throws IOException {
|
||||
out.write(pChar & 0xFF);
|
||||
out.write((pChar >>> 8) & 0xFF);
|
||||
bytesWritten += 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a four-byte {@code int} to the underlying output stream
|
||||
* in little endian order, low byte first, high byte last
|
||||
*
|
||||
* @param pInt the {@code int} to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeInt(int pInt) throws IOException {
|
||||
out.write(pInt & 0xFF);
|
||||
out.write((pInt >>> 8) & 0xFF);
|
||||
out.write((pInt >>> 16) & 0xFF);
|
||||
out.write((pInt >>> 24) & 0xFF);
|
||||
bytesWritten += 4;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes an eight-byte {@code long} to the underlying output stream
|
||||
* in little endian order, low byte first, high byte last
|
||||
*
|
||||
* @param pLong the {@code long} to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeLong(long pLong) throws IOException {
|
||||
out.write((int) pLong & 0xFF);
|
||||
out.write((int) (pLong >>> 8) & 0xFF);
|
||||
out.write((int) (pLong >>> 16) & 0xFF);
|
||||
out.write((int) (pLong >>> 24) & 0xFF);
|
||||
out.write((int) (pLong >>> 32) & 0xFF);
|
||||
out.write((int) (pLong >>> 40) & 0xFF);
|
||||
out.write((int) (pLong >>> 48) & 0xFF);
|
||||
out.write((int) (pLong >>> 56) & 0xFF);
|
||||
bytesWritten += 8;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a 4 byte Java float to the underlying output stream in
|
||||
* little endian order.
|
||||
*
|
||||
* @param f the {@code float} value to be written.
|
||||
* @throws IOException if an I/O error occurs.
|
||||
*/
|
||||
public final void writeFloat(float f) throws IOException {
|
||||
writeInt(Float.floatToIntBits(f));
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes an 8 byte Java double to the underlying output stream in
|
||||
* little endian order.
|
||||
*
|
||||
* @param d the {@code double} value to be written.
|
||||
* @throws IOException if an I/O error occurs.
|
||||
*/
|
||||
public final void writeDouble(double d) throws IOException {
|
||||
writeLong(Double.doubleToLongBits(d));
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a string to the underlying output stream as a sequence of
|
||||
* bytes. Each character is written to the data output stream as
|
||||
* if by the {@link #writeByte(int)} method.
|
||||
*
|
||||
* @param pString the {@code String} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
* @see #writeByte(int)
|
||||
* @see #out
|
||||
*/
|
||||
public void writeBytes(String pString) throws IOException {
|
||||
int length = pString.length();
|
||||
|
||||
for (int i = 0; i < length; i++) {
|
||||
out.write((byte) pString.charAt(i));
|
||||
}
|
||||
|
||||
bytesWritten += length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a string to the underlying output stream as a sequence of
|
||||
* characters. Each character is written to the data output stream as
|
||||
* if by the {@code writeChar} method.
|
||||
*
|
||||
* @param pString a {@code String} value to be written.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
* @see #writeChar(int)
|
||||
* @see #out
|
||||
*/
|
||||
public void writeChars(String pString) throws IOException {
|
||||
int length = pString.length();
|
||||
|
||||
for (int i = 0; i < length; i++) {
|
||||
int c = pString.charAt(i);
|
||||
out.write(c & 0xFF);
|
||||
out.write((c >>> 8) & 0xFF);
|
||||
}
|
||||
|
||||
bytesWritten += length * 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a string of no more than 65,535 characters
|
||||
* to the underlying output stream using UTF-8
|
||||
* encoding. This method first writes a two byte short
|
||||
* in <b>big</b> endian order as required by the
|
||||
* UTF-8 specification. This gives the number of bytes in the
|
||||
* UTF-8 encoded version of the string, not the number of characters
|
||||
* in the string. Next each character of the string is written
|
||||
* using the UTF-8 encoding for the character.
|
||||
*
|
||||
* @param pString the string to be written.
|
||||
* @throws UTFDataFormatException if the string is longer than
|
||||
* 65,535 characters.
|
||||
* @throws IOException if the underlying stream throws an IOException.
|
||||
*/
|
||||
public void writeUTF(String pString) throws IOException {
|
||||
int numchars = pString.length();
|
||||
int numbytes = 0;
|
||||
|
||||
for (int i = 0; i < numchars; i++) {
|
||||
int c = pString.charAt(i);
|
||||
|
||||
if ((c >= 0x0001) && (c <= 0x007F)) {
|
||||
numbytes++;
|
||||
}
|
||||
else if (c > 0x07FF) {
|
||||
numbytes += 3;
|
||||
}
|
||||
else {
|
||||
numbytes += 2;
|
||||
}
|
||||
}
|
||||
|
||||
if (numbytes > 65535) {
|
||||
throw new UTFDataFormatException();
|
||||
}
|
||||
|
||||
out.write((numbytes >>> 8) & 0xFF);
|
||||
out.write(numbytes & 0xFF);
|
||||
|
||||
for (int i = 0; i < numchars; i++) {
|
||||
int c = pString.charAt(i);
|
||||
|
||||
if ((c >= 0x0001) && (c <= 0x007F)) {
|
||||
out.write(c);
|
||||
}
|
||||
else if (c > 0x07FF) {
|
||||
out.write(0xE0 | ((c >> 12) & 0x0F));
|
||||
out.write(0x80 | ((c >> 6) & 0x3F));
|
||||
out.write(0x80 | (c & 0x3F));
|
||||
bytesWritten += 2;
|
||||
}
|
||||
else {
|
||||
out.write(0xC0 | ((c >> 6) & 0x1F));
|
||||
out.write(0x80 | (c & 0x3F));
|
||||
bytesWritten += 1;
|
||||
}
|
||||
}
|
||||
|
||||
bytesWritten += numchars + 2;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the number of bytes written to this little endian output stream.
|
||||
* (This class is not thread-safe with respect to this method. It is
|
||||
* possible that this number is temporarily less than the actual
|
||||
* number of bytes written.)
|
||||
* @return the value of the {@code written} field.
|
||||
* @see #bytesWritten
|
||||
*/
|
||||
public int size() {
|
||||
return bytesWritten;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user